Home / 327,123.12-490,806.18-227,230.68

Finding the Fourth Proportional to 327,123.12, 490,806.18 and 227,230.68

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Solution

The fourth proportional to 327,123.12, 490,806.18 and 227,230.68 is: 340,930.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,123.12 : 490,806.18 = 227,230.68 : x
  2. Step 2: Convert to fraction form
    327,123.12/490,806.18 = 227,230.68/x
  3. Step 3: Cross multiply
    327,123.12x = 490,806.18 × 227,230.68
  4. Step 4: Simplify right side
    327,123.12x = 111,526,222,029.60
  5. Step 5: Solve for x
    x = 111,526,222,029.60/327,123.12
  6. Step 6: Final answer
    x = 340,930.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.